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Askar SQA70 - 70mm F4.8 336mm Quintuplet Petzval Astrophotography APO
ASK_SQA70
1.895,00 €
Impuestos incluidos
High-quality quintuplet air-spaced SD glass Petzval Astrograph.
- Aperture: 70mm
- Focal Length: 336mm
- Focal Ratio: F4.8
- Format specification: Full Frame
- Optical Design: Quintuplet Petzval APO (Two pieces of SD glass)
- Dual speed focusing mechanism
- Rotating mechanism
- Internal 2" filter thread
- Extractable dew-shield
- Weight: 2.68 kg
- Carrying oxford cloth case
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Must-have accessories
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High-quality quintuplet air-spaced ED glass Petzval Astrograph.
The SQA70 is a 70mm aperture astrograph with a 336mm focal length and a native focal ratio of 4.8.
The SQA70 lens has a quintuplet air-spaced design that includes 2 pieces of ED glass and supports full-frame imaging. The SQA70 has great star performance, which can refer to the data we published.
The SQA70 is a petzval lens structure, due to the self-flattened design, users do not need to calculate specific back focus.
We have designed many mechanical details for the SQA70 to further optimize the user experience.
Specifications
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Aperture size |
70mm |
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Focal length |
336mm |
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Focal ratio |
f/4.8 |
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Objective lens |
Quintuplet Petzval APO（including two pieces of ED glass） |
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Total length |
332mm (when the dew shield is contracted) |
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Format specifications |
full frame (44mm) |
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OTA weight |
2.68kg |
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Gross weight (including tube ring and dovetail plate) |
3.5kg |
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Rear-end thread type |
M42/M48/M54 adapters |
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Rear-end connection distance |
Support 37-68mm range (Recommended connection length is 55mm) |
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Standard package items |
a SQA70 OTA, an Oxford cloth case |
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- Sistema de telescopio
- Solo tubo ottico (OTA)
- Tipo de telescopio
- Refractor Apocromático*~Astrograph
- Serie telescopio
- SQA
- Tipo de lente telescópica
- Quintillizo (5 lentes)
- Apertura del telescopio (mm)
- 70mm
- Longitud focal del telescopio (mm)
- 336mm
- Relación focal del telescopio (F)
- F4.8
- Nuevo
Askar, based in China, specializes in producing innovative telescopes and astrophotography equipment, appealing to a wide range of astronomers. Their focus on compact and portable designs increases accessibility for users aiming to explore astronomy more comfortably.
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